neuropati
TRANSCRIPT
Dr.Muhammad Yusuf,SpSBagian Neurologi PSPD Unimal
DEFINISI
GANGGUAN FUNGSIONAL ATAU ORGANIK
DARI SARAF PERIFER
GANGGUAN INI DAPAT MENGENAI :
SARAF SENSORIK
SARAF MOTORIK
SARAF OTONOM
KOMBINASI
KLASIFIKASI
BANYAK KLASIFIKASI DARI NEUROPATI.
1.MENURUT ONSET SERANGAN:
NEUROPATI AKUT
MIS : POLINEUROPATI IDIOPATIK AKUT
NEUROPATI KRONIK
MIS : BERI BERI
DIABETES MELLITUS
LEPRA
2.MENURUT DERAJATNYA
1.NEUROPATI RINGAN:SENSORIK SAJA
2.NEUROPATI SEDANG :SENSORIK, MOTORIK,
REFLEKS 3.NEUROPATI BERAT :
SENSORIK, MOTORIK,
REFLEKS , ATROFI OTOT
3. MENURUT JUMLAH SARAF YANG TERLIBAT
1. MONONEUROPATI SIMPLEKS:
GANGGUAN PADA SATU SARAF PERIFER SAJA.
2. MONONEUROPATI MULTIPLEKS:
MENGENAI BEBERAPA SARAF TEPI, BIASANYA TIDAK BERDEKATAN DAN TIDAK SIMETRIS.
3. POLINEUROPATI:
BBRP SARAF TEPI, SIMETRIS DAN SERENTAK, BIASANYA PREDOMINAN DI DAERAH DISTAL.
4. MENURUT LETAK LESI
1 AKSONOPATI DISTAL:
GANGGUAN PADA AKSON.
2. MIELINOPATI :
GANGGUAN PADA SELUBUNG MIELIN.
3. NEURONOPATI :
GANGGUAN PADA BADAN SEL SARAF DI CORNU ANTERIOR, MEDULLA SPINALIS ATAU PADA DORSAL ROOT GANGLION.
ETIOLOGI
1. IDIOPATHIC INFLAMMATORY NEUROPATHIES - POLINEUROPATI IDIOPATIK AKUT
(GUILLAIN BARRE SYNDROME)
- CHRONIC INFLAMMATORY DEMYELINATING POLYNEUROPATHY
2. METABOLIC AND NUTRITIONAL NEUROPATHIES - DIABETES, HIPOTIROIDI, ACROMEGALI
- UREMIA
- LIVER DISEASES
- VIT B1, OR VIT B12 DEFICIENCY
ETIOLOGI (lanjutan)
3. INFECTIVE AND GRANULOMATOUS NEUROPATHIES:
AIDS, LEPROSY. DIFTERI, SARCOIDOSIS
4. VASCULITIS NEUROPATHIES:
- POLYARTERITIS NODOSA
- RHEUMATOID ARTHRITIS
- SYSTEMIC LUPUS ERYTHEMATOSUS
ETIOLOGI (lanjutan)
5. NEOPLASTIC AND PARAPROTEINEMIC NEUROPATHIES:
- COMPRESSION AND IRITATION BY TUMOR
- PARANEOPLASTIC SYNDROME
- PARAPROTEINEMIAS
- AMYLOIDOSIS
ETIOLOGI (lanjutan)
6. DRUGS INDUCED AND TOXIC NEUROPATHIES
- DAPSON, ISONIAZIDE, PHENYTOIN, PIRIDOKSIN
VINCRISTIN, HIDRALAZINE.
- ALKOHOL
- TOKSIN: ORGANOPHOSPHAT
ARSENIC
LEAD
THALIUM
GOLD
ETIOLOGI (lanjutan)
7. HEREDITARY NEUROPATHIES
- IDIOPATHIC
HEREDITARY MOTOR AND SENSORY NEUROPATHIES
HEREDITARY SENSORY NEUROPATHIES
FAMILIAL AMYLOIDOSIS
- METABOLIC
PORPHYRIA
METACHROMATIC LEUCODYSTROPHY
ABETALIPOPROTEINEMIA
ETIOLOGI
8. ENTRAPMENT NEUROPATHIES
- UPPER LIMBS
MEDIAN NERVE (CARPAL TUNNEL SYNDROME)
ULNAR NERVE
RADIAL NERVE
- LOWER LIMBS
PERONEAL NERVE
FEMORAL NERVE
OBTURATOR NERVE
MOST COMMON DISEASES AFFECTING THE PERIPHERAL NERVE
“DANG THE RAPIST”
Diabetes Trauma Rheumatic (collagen vascular)
Alcohol Hereditary AmyloidNutritional Environmental ParaneoplasticGuillain Barre toxin and drugs Infections
Systemic diseasesTumors
PATOFISIOLOGI
ADA BEBERAPA PROSES PATOLOGI YANG MENGENAI SERABUT SARAF a.l.:
1. DEGENERASI WALLERIAN
TERJADI DEGENERASI AKSON DAN SELUBUNG MIELIN KEARAH DISTAL DARI LESI.
DEGENERASI BISA JUGA KE PROKSIMAL SATU ATAU DUA SEGMEN.
PATOFISIOLOGI
2. DEMIELINISASI SEGMENTAL
TIMBUL BILA TERJADI LESI PADA SEL SCHWANN
PROSES DIMULAI DI DAERAH NODUS RANVIER DAN MELUAS TAK TERATUR MENGENAI SEGMEN-SEGMEN INTERNODUS LAIN.
AKSON DAPAT MENGALAMI DEGENERASI ATAU TIDAK TERGANGGU SAMA SEKALI.
PATOFISIOLOGI
3. DEGENERASI AKSON PRIMER
DISEBUT JUGA DENGAN AKSONOPATI. DEGENERASI AKSON INI BIASANYA DI IKUTI OLEH DEMIELINISASI SEGMENTAL YANG SEKUNDER.
SERING PADA UREMIA, KERACUNAN ALKOHOL, LEPRA, KARSINOMA.
PATOFISIOLOGI
KERUSAKAN SARAF DIBAGI 3 TINGKAT PENTING UNTUK MENENTUKAN PROGNOSE.
1. NEUROPRAKSIA:
- KERUSAKAN PALING RINGAN
- HANYA TERJADI GANGGUAN HANTARAN
- TANPA GANGGUAN KONTINUITAS
- PEMULIHAN TERJADI DALAM BEBERAPA MENIT
SAMPAI BEBERAPA MINGGU
PATOFISIOLOGI
2. AKSONOTMESIS:
- KERUSAKAN PADA AKSON DISERTAI
DEGENERASI
- TANPA KERUSAKAN ENDONEURAL
- REGENERASI KEMUNGKINAN DAPAT
TERJADI DENGAN HASIL YANG BAIK
PATOFISIOLOGI
3. NEUROTMESIS:
- SARAF TERPUTUS TOTAL ATAU
SEBAGIAN
- PENGOBATAN DGN PENYAMBUNGAN
- KEMUNGKINAN PERBAIKAN 50%
GEJALA KLINIK
1. GANGGUAN SENSORIK:
Involvement of sensory axons produces
impairment of sensation with dysesthesias or
paresthesias.
- RASA KAKU, DINGIN, PEDAS
- GATAL DAN KEBAS-KEBAS
- NYERI SEPERTI DITUSUK JARUM
- RASA TERBAKAR
- RASA BERJALAN DI ATAS KAPAS
- RASA TERSANDUNG WAKTU BERJALAN
- RASA TIDAK STABIL
GEJALA KLINIK
2. GANGGUAN MOTORIK:
Involvement of motor axons produces muscle
wasting and weakness followed by atrophy and
fasciculations
- KELEMAHAN BERSIFAT LMN
- SULIT MEMUTAR KUNCI PINTU
- SULIT MEMBUKA KANCING BAJU
- SULIT MEMUTAR TUTUP BOTOL
- FOOT DROP
- WRIST DROP
- GANGGUAN GERAKAN TANGKAS
GEJALA KLINIK
3. GANGUAN REFLEKS TENDON:
The tendon reflexes supplied by the affected nerve
are depressed or absent.
Contoh :
- REFLEKS TENDON BISEPS
- REFLEKS TENDON TRISEPS
- KPR
- APR
GEJALA KLINIK
4. GANGUAN OTONOMIK:
Involvement of axons supplying autonomic
function produces loss of sweating, alteration
in bladder fuction, constipation, and impotence
in male
Contoh : - GANGGUAN GASTROINTESTINAL:
DIARE, KONSTIPASI, DILATASI LAMBUNG, MUAL DAN MUNTAH.
GEJALA KLINIK
GANGGUAN OTONOMIK (lanjutan) : - GANGGUAN KANDUNG KEMIH :
ATONI KANDUNG KEMIH, RESIDU URINE
- IMPOTENSI
- GANGGUAN KARDIOVASKULER:
HIPOTENSI ORTOSTATIK, SINKOP
- GANGGUAN BERKERINGAT
- CARDIO RESPIRATORY ARREST
PREDOMINANTLY MOTOR NEUROPATHIES
Guillain-Barre SyndromeDiphtheric neuropathyDapsone-induced neuropathyPorphyria and multifocal motor
neuropathy
PREDOMINANTLY SENSORY NEUROPATHIES
Drug toxicity : pyridoxine, doxorubicine
Autoimmune : paraneoplastic, Sjogren syndrome, etc.
Infectious : diphtheria, HIVDeficiency : vit. EInherited : abetalipoproteninemia.
DIAGNOSA
1. GEJALA KLINIK
2. LABORATORIUM
3. FOTO THORAKS
4. PUNKSI LUMBAL
5. EKG
6. BIOPSI : paling sering n. suralis atau n. cutaneus radialis
7. ELEKTROFISIOLOGI: EMG
NCV
ELEKTRO MIOGRAFI
ELEKTRODA DITUSUKKAN KEDALAM SUATU OTOT SKELET UNTUK MEMPELAJARI PERUBAHAN POTENSIAL LISTRIKNYA.
INDIKASI:
GANGGUAN LOWER MOTOR NEURON, YANG LESINYA DI:
1. KORNU ANTERIOR
2. RADIKS
3. PLEKSUS
4. SARAF PERIFER
5. NEUROMUSCULAR JUNCTION
6. OTOT
MANFAAT EMG
MEMBANTU DIAGNOSA SECARA DINI MENENTUKAN LETAK LESI MEMBEDAKAN LESI MIOGEN ATAU NEUROGEN MENENTUKAN LESI PARSIAL ATAU TOTAL MEMBEDAKAN SENSORIK ATAU MOTORIK EVALUASI PENGOBATAN MEMBANTU MENENTUKAN PROGNOSE
NERVE CONDUCTION VELOCITY( NCV)
NCV ATAU KHS
NILAI NORMAL :
N. ULNARIS = 47 - 72 m / s
N. MEDIANUS = 46 - 72 m / s
N. PERONEUS = 42 - 63 m / s
N. TIBIALIS = 40 - 67 m / sDISTAL LATENCY ( DL )
NILAI NORMAL N. MEDIANUS
2,7 + 0,3 m/s
MANFAAT PENGUKURAN KHS
MENGIKUTI PERJALANAN PENYAKITMENGEVALUASI EFEK PENGOBATANMENENTUKAN PROGNOSE, APAKAH
MASIH MUNGKIN DIPEROLEH PERBAIKAN LAGI.
EMG DAN KHS PADA NEUROPATI
DIJUMPAI PENURUNAN KHS.PEMANJANGAN DISTAL LATENCYPENURUNAN AMPLITUDO GELOMBANG MDURASI YANG MEMANJANGPOTENSIAL POLIFASIKFIBRILASI
NEUROPATI DIABETIK
PREVALENSI : 10 - 20 % (SIMTOMATIK)KHS 80 % ABNORMALKLINIS DAPAT MENGENAI:
SENSORIK
MOTORIK
OTONOMIK
KOMBINASI
PATOGENESE NEUROPATI DIABETIK
The etiology is uncertain.
4 hypothesis (not necessarily exclusive) :
1. Hyperglycemia-polyol-myoinositol hypothesis.
2. Microvascular hypothesis
3. Structural changes at the node of Ranvier.
4. Vasculitic neuropathy.
1. Hyperglycemia-polyol-myoinositol
hypothesis
Normal : glucose hexokinase glucose-6-phosphate Krebs cycle.
Hyperglycemia saturates hexokinase activity glucose shunted to polyol pathway production of sorbitol assoc w/ a decrease in intracelluler myoinositol defective Na/K ATPase activity defect axon transport slowing NCV
2. Microvascular hypothesis
DM : ** thickening of capillary basement membrane
** increase in the size and number of capillary endothelial cells
Microangiopathy increase number of closed capillaries in peripheral nerves progressive hypoxia secondary changes in axons and Schwann cells
3. Structural changes at the node of Ranvier
Na/K ATPase defiency increase intra-axonal Na and nodal axonal swelling detachment of myelin myelin retraction from the nodal area slowing of axonal conduction.
Exposure of paranodal K channels leakage of K impairment of axonal conduction.
Impairment of axonal transport gradual dying back of axons starting at the distal axons and progressing proximally.
4. Vasculitic neuropathy
Some cases of NIDDM and proximal diabetic have a inflammatory vasculopathy with perivascular collections of lymphocytes and axonal neuropathy
PAINFUL DIABETIC NEUROPATHY
cranial nerve neuropathyAcute thoracoabdominal neuropathyAcute distal sensory neuropathyAcute lumbar radiculoplexopathyChronic distal small-fiber neuropathy
Terapi
Intensive diabetic therapyMaintain ideal body weightAdjuvant analgetics :
TCA antidepressantscarbamazepinegabapentinintravenous lidocaine, etc
CARPAL TUNNEL SYNDROME
CHARACTERIZED BY :
FLUCTUATING NUMBNESS, PARESTHESIA AND PAIN IN THE HAND DUE TO COMPRESSION OF THE MEDIAN NERVE AT THE WRIST.
80% in WOMEN, A COMMON TEMPORARY PHENOMENON DURING PREGNANCY
PRESSURE TO THE NERVE WHEN PASSING BENEATH THE FLEXOR RETINACULUM OBSTRUCTION OF VENOUS CIRCULATION AND EDEMA ISCHEMIA INCREASING PRESSURE ON THE NERVE ISCHEMIC ATROPHY OF NERVE FIBERS
Etiologi
1. Hereditary : HMSN type III2. Traumatic : dislocation, fracture, hematoma, wrist
sprain3. Infection : tenosynovitis, tbc, sarcoidosis4. Metabolic : amyloidosis, gout5. Endocrine : acromegaly, DM, hypothyroidism,
pregnancy6. Neoplastic : ganglion cysts, lipoma , myeloma7. Collagen vascular diseases : RA, polymyalgia
rheumatica, SLE8. Degenerative disease : OA9. Iatrogenic : radial artery puncture, shunt for dialysis,
anticoagulant therapy
Gejala Klinis
The earliest symptoms : numbness and paresthesias in the sensory distribution of the median nerve in the hand (thumb, index, middle and lateral half of the ring finger)
Later on : pain, worst at nightLate : inability to screw bottle caps or grip
properly
Terapi
Identified causes should be treatedCorticosteroid injection around the median
nerve in the carpal tunnel.Surgical division of the transverse
ligament (flexor retinaculum)Endoscopic carpal tunnel release
GUILLAIN - BARRE SYNDROME (GBS)
ACUTE INFLAMMATORY POST INFECTIOUS
POLYNEUROPATHY
- INSIDEN: 2 PER 100.000 POPULASI PERTAHUN
- 1-3 MINGGU SETELAH INFEKSI :
VIRUS
BAKTERI
IMUNISASI
G B S (lanjutan)
- INFLAMASI TERHADAP SERABUT SARAF MERUPAKAN RESPON AUTOIMMUN BAIK MELALUI REAKSI ANTIBODI MAUPUN CELL MEDIATED RESPONSE
- TERJADI DEMIELINASI SEGMENTAL DISERTAI DENGAN KERUSAKAN AKSON BILA PROSESNYA BERAT
- DIJUMPAI INFILTRASI LIMFOSIT PERIVASKULER PADA SARAF PERIFER DAN NERVE ROOTS
- LIMFOSIT DAN MAKROFAG MENGHASILKAN SITOTOKSIN YANG MERUSAK MIELIN
G B S (lanjutan)
- KELUMPUHAN KEEMPAT ANGGOTA GERAK
- UMUMNYA DIMULAI DARI TUNGKAI, MELUAS KEATAS, LENGAN, OTOT LEHER DAN WAJAH KADANG-KADANG OTOT MENELAN
- SEBAGIAN BESAR KASUS MENGELUH PARASTESI PADA EKSTREMITAS INFERIOR
- GANGGUAN OTONOMIK DIJUMPAI PADA
25% KASUS
- PADA LP DIJUMPAI DISOSIASI SITOALBUMIN
G B S (lanjutan)
KRITERIA DIAGNOSTIK
DIJUMPAINYA 5 DARI 6 KRITERIA INI :
1. DIFFUSE FLACCID PARALYSIS
2. GANGGUAN SENSORIK < GANGGUAN MOTORIK
3. REMISI SEMPURNA DALAM 6 BULAN
4. PENINGKATAN PROTEIN PADA CSF DLM 2 MGG
5. DEMAM (-) ATAU SUHU SEDIKIT MENINGGI
6. LEUKOSIT NORMAL HANYA KEMUNGKINAN LED
SEDIKIT MENINGGI
PREDICTORS OF SEVERE DISEASE AND POORER OUTCOME
Old ageRapid onset of severe tetraparesisNeed for early artificial ventilationSeverely decreased compound
muscle action potential (<20% normal)
Acute motor-sensory axonal form of the disease
TERAPI
1. PLASMAPHARESIS
2. IMMUNOGLOBULIN IV 0,4 gr/kg BB
SELAMA 5 HARI
3. PERAWATAN UMUM
4. FISIOTERAPI
5. PERAWATAN DI ICU BILA TERJADI
GAGAL NAFAS